The Petzl Tandem Speed is designed for Tyrolean traverses on cable or rope. The stainless steel sheaves for excellent durability. The sheaves mounted on sealed ball bearings for sustained speed, independent of the weight of the person, temperature, or humidity.
 

Features:
• Maximum allowable speed: 20 m/s.
• Accepts up to three carabiners to facilitate use.
• Breaking strength: 24 kN
• Working load: 10 kN
• Weight: 270 g
• Wheel bearing: metalworking industry

For use on cable (12 mm maximum diameter) and on rope (13 mm maximum diameter).